项目中对模板和js,css文件进行压缩的处理类

我们知道,在html的页面中,所有空格和换行符其实都会占据一定的空间,即使使用了gzip压缩,在传输过程中依然会浪费用户的流量和我们自己服务器的带宽,此脚本就是为了解决这个问题而诞生的。


请自行下载Google Closure Compiler,和YUIcompressor
点此去下载Google Closure Compiler
点此去下载YUIcompressor

将compiler.jar和yuicompressor-2.4.7.jar放在与本脚本相同的目录下即可
代码很简单,没什么好说的。。
enjoy it!

<?php
/**
* 代码压缩处理
* 
* 1.压缩模板文件,去掉所有换行和头尾空格
* 2.压缩js和css文件,生成同名.min.js或.min.css文件
* 
* @author 废墟 <r.anerg#gmail.com>
* @version 1.1
* @link http://anerg.com
* 
*/
ini_set("memory_limit", -1);
ini_set("display_error", 1);
error_reporting(E_ALL);
date_default_timezone_set('Asia/Shanghai');

define('BASEPATH', dirname(__FILE__));
class Compress_Template {

    private $input_dir; //模板源目录
    private $output_dir; //压缩后的模板目录

    public function __construct($type) {
        $this->input_dir = dirname(BASEPATH) . '/application/views_src/';
        $this->output_dir = dirname(BASEPATH) . '/application/views/';
        $this->js_dir = dirname(BASEPATH) . '/wwwroot/static/js/';
        $this->css_dir = dirname(BASEPATH) . '/wwwroot/static/css/';
    }

    public function run() {
        exec('rm ' . $this->output_dir . ' -rf');
        $this->compress_file($this->input_dir, $this->output_dir);
        $this->compress_js_css();
    }

    private function compress_js_css() {
        exec('for JS in $(find ' . $this->js_dir . ' -type f -name "*.js"|grep -v "min.js"); do java -jar compiler.jar --charset=UTF-8 --compilation_level=SIMPLE_OPTIMIZATIONS --js=$JS --js_output_file=${JS%%.js}.min.js; done');
        exec('for CSS in $(find ' . $this->css_dir . ' -type f -name "*.css"|grep -v "min.css"); do java -jar yuicompressor-2.4.7.jar --type css --charset utf-8 -o ${CSS%%.css}.min.css $CSS; done');
    }

    private function compress_file($input, $output) {
        $input = rtrim($input, DIRECTORY_SEPARATOR);
        $output = rtrim($output, DIRECTORY_SEPARATOR);
        if (is_dir($input)) {
            $input .= DIRECTORY_SEPARATOR;
            $output .= DIRECTORY_SEPARATOR;
            foreach (glob($input . "*") as $path) {
                $compress_path = str_replace($input, $output, $path);
                if (is_dir($path)) {
                    if (!is_dir($compress_path)) {
                        $this->mkpath($compress_path);
                    }
                    $this->compress_file($path, $compress_path);
                }
                if (is_file($path)) {
                    $data = array_map("trim", file($path));
                    file_put_contents($compress_path, join('', $data));
                }
            }
        }
    }

    private function mkpath($path) {
        return is_dir($path) or ($this->mkpath(dirname($path)) and (mkdir($path, 0777) and chmod($path, 0777)));
    }
}

$app = new Compress_Template();
$app->run();
echo "OK!
";
 
原文地址:https://www.cnblogs.com/yhdsir/p/4886069.html